EP0994920A1 - Compositions de polyolefine et feuils qu'elles permettent d'obtenir - Google Patents
Compositions de polyolefine et feuils qu'elles permettent d'obtenirInfo
- Publication number
- EP0994920A1 EP0994920A1 EP99924842A EP99924842A EP0994920A1 EP 0994920 A1 EP0994920 A1 EP 0994920A1 EP 99924842 A EP99924842 A EP 99924842A EP 99924842 A EP99924842 A EP 99924842A EP 0994920 A1 EP0994920 A1 EP 0994920A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyolefin compositions
- component
- weight
- compositions according
- olefin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
Definitions
- the present invention relates to polyolefin compositions endowed with improved
- the present invention relates to the films obtained from said
- compositions which show very good mechanical and optical properties.
- the compositions which show very good mechanical and optical properties.
- compositions comprising an
- LLDPE type ethylene copolymer
- ⁇ -olefin CH 2 CHR', wherein R 1 is an alkyl radical having from 2 to 10 carbon atoms, said
- composition (A) being blended with (B) a crystalline polybutene-1.
- composition comprising an ethylene copolymer (LLDPE type) and a copolymer of
- propylene with ethylene and/or an ⁇ -olefin are already known from WO93/03078 and
- LDPE low density polyethylene
- polybutene-1 with the compositions comprising an ethylene copolymer (LLDPE type)
- composition (A) comprising from 70 to 99 parts by weight of a composition (A) comprising (i) from 75 to
- alkyl radical having from 1 to 10 carbon atoms, said copolymer containing up to 20% by
- polyolefin component (B) comprising crystalline polybutene-1.
- polybutene-1 can be any of the polybutene-1, homo or copolymer with other olefins, having a
- the isotactic polybutene-1 (co)polymers can be prepared by polymerizing butene-1 in the presence of
- polybutene-1 used has an isotacticity (expressed in
- pentads mmmm% higher than 80%, more preferably higher than 85%, and
- melt index is generally comprised in the range of from 0.01 to 100 preferably
- the olefin can be selected preferably from the group
- random copolymer with ethylene or propylene containing up to 20% by
- the component (B) in the composition of the invention is present in amounts comprised
- component (A) of the present invention the insolubility in xylene of component (ii)
- the insolubility is preferably higher than 75%, more preferably higher than 85%.
- the insolubility is preferably higher than 75%, more preferably higher than 85%.
- the content of propylene ranges between 85 and 96% by weight, and the content of ethylene and/or ⁇ -olefin ranges between 4 and 15% by weight.
- the content of ethylene ranges from 2 to 8% by weight while the content of
- ⁇ -olefin CH 2 CHR I ranges between 2 and 7% by weight. However, the content of
- octene 4-methyl-l-pentene, and preferably is 1-butene or 1-hexene.
- the fusion enthalpy of the copolymer (ii) is generally higher than 50 J/g, preferably
- copolymer (b) is less than 140 °C and preferably between 120 and 140 °C.
- copolymer (ii) has values generally ranging between 5 and 1000, preferably between 5
- the component (ii) of the polyolefin composition of the invention can be conveniently prepared
- the copolymer (i) used in the component (A) of the invention has a density comprised
- copolymer (i) has values generally comprised between 0.01 and 100 g/10 minutes,
- hexene 1-octene, 4-methyl-l-pentene; preferably 1-butene or 1 -hexene is used.
- the copolymer (i) is prepared by copolymerization of ethylene with an ⁇ -olefin
- catalytic component comprising a transition metal belonging to groups IV, V or VI of the
- the transition metal compound is supported on a solid carrier
- the catalysts may also be prepared according to the methods described in the
- catalysts comprising components having regular
- the polymeric compositions of the invention preferably comprise from about 75 to about
- copolymer (i) 95% by weight of copolymer (i) and from about 5 to about 25% by weight of copolymer
- copolymer (i) preferably, the content of copolymer (i) is comprised between 75 and 90% by weight
- copolymer (ii) between 10% and 25% by weight.
- the component (i) is preferably a copolymer of ethylene with 1-
- butene and/or hexene- 1 is preferably a copolymer of propylene with ethylene and 1-butene.
- the component (A) is preferably present in amounts
- the component (A) of the invention may be prepared by mixing the components (i) and
- the mixture may be fed directly into the extruder or may be premixed in the solid state.
- the said component (A) is directly prepared in polymerization operating in at least
- reactor copolymer (b) is synthesized.
- the polymerization is conveniently carried out in
- the component (A) can be any suitable material.
- the component (A) can be any suitable material.
- the component (A) can be any suitable material.
- a solid catalytic component comprising a titanium compound containing at least a
- R 1 is an alkyl radical having 2 to 10 carbon atoms, is polymerized to obtain the
- component (ii) in amounts of between 5 and 25% by weight with respect to the total
- the polyolefin compositions of the invention may be prepared by mixing the components
- components of the mixture may be fed directly into the extruder or may be premixed in
- compositions can be prepared by sequential
- component (A) and in another reactor is synthesized component (B). Also in this case the
- polymerization is conveniently carried out in the gas-phase using fluidized bed reactors.
- the films obtained from the compositions of the invention have impact resistance (Dart).
- compositions of the invention it is possible to save energy to an extent even higher
- compositions of the invention find applications in several sectors such as: blown films
- At least one layer consists of the composition of the invention, and at least one layer consists
- thermoplastic polymer such as for example polypropylene homopolymer
- copolymers of propylene with ethylene and/or ⁇ -olefin having 4-12 carbon atoms
- adhesives for example, adhesives, stabilizers, antioxidants, anti-corrosion agents, etc.
- fillers for example, adhesives, stabilizers, antioxidants, anti-corrosion agents, etc.
- the films of the invention may be added.
- the measurement is carried out by dissolving the sample in C 2 C1 4 D 2 and recording the
- the container is
- ASTM D 1922 determined both in machine direction (MD) and transversal direction
- component (A) obtained by sequential copolymeration carried out according to the procedure described in Ex.3 of WO 95/2009
- component (B) obtained by sequential copolymeration carried out according to the procedure described in Ex.3 of WO 95/2009
- composition was prepared by mixing in an extruder of the (Bandera TR 60 type ?).
- Example 1 Comp.
- Example 2 Comp. Ex. 1 Ex. 2
- composition 1 Composition 2 Composition 3 Composition 1 Composition 2 Composition 3
- Example 1 Comp.
- Example 2 Comp. Ex. 1 Ex. 2
- composition Composition Composition Composition Composition 1 Composition 2 Composition 3 1 2 3
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99924842A EP0994920B1 (fr) | 1998-05-06 | 1999-04-29 | Compositions de polyolefine et films qu'elles permettent d'obtenir |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98201466 | 1998-05-06 | ||
EP98201466 | 1998-05-06 | ||
PCT/EP1999/002913 WO1999057194A1 (fr) | 1998-05-06 | 1999-04-29 | Compositions de polyolefine et feuils qu'elles permettent d'obtenir |
EP99924842A EP0994920B1 (fr) | 1998-05-06 | 1999-04-29 | Compositions de polyolefine et films qu'elles permettent d'obtenir |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0994920A1 true EP0994920A1 (fr) | 2000-04-26 |
EP0994920B1 EP0994920B1 (fr) | 2003-06-11 |
Family
ID=8233684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99924842A Expired - Lifetime EP0994920B1 (fr) | 1998-05-06 | 1999-04-29 | Compositions de polyolefine et films qu'elles permettent d'obtenir |
Country Status (11)
Country | Link |
---|---|
US (1) | US6277918B1 (fr) |
EP (1) | EP0994920B1 (fr) |
JP (1) | JP2002509577A (fr) |
KR (1) | KR20010021553A (fr) |
CN (1) | CN1268962A (fr) |
AU (1) | AU4136499A (fr) |
BR (1) | BR9906424A (fr) |
CA (1) | CA2294237A1 (fr) |
DE (1) | DE69908730T2 (fr) |
NO (1) | NO20000033L (fr) |
WO (1) | WO1999057194A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2007007487A (es) * | 2004-12-22 | 2007-09-27 | Advantage Polymers Llc | Composiciones termoplasticas y metodos de uso de las mismas para articulos moldeados. |
US7863522B2 (en) * | 2006-12-20 | 2011-01-04 | Dow Global Technologies Inc. | Semi-conducting polymer compositions for the preparation of wire and cable |
WO2009024435A1 (fr) * | 2007-08-22 | 2009-02-26 | Basell Poliolefine Italia S.R.L. | Compositions de polyoléfine souple avec aptitude améliorée à la mise en œuvre |
KR101549901B1 (ko) * | 2007-11-27 | 2015-09-03 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 비투멘과 중합체 조성물의 혼합물 |
BRPI0918979B1 (pt) * | 2008-09-24 | 2019-05-07 | Basell Poliolefine Italia S.R.L. | Composições de poliolefina com boa resistência ao branqueamento |
US8735498B2 (en) | 2009-11-17 | 2014-05-27 | Basell Poliolefine Italia S.R.L. | Soft polyolefin compositions with improved processability |
EP2504393B1 (fr) | 2009-11-24 | 2014-04-16 | Basell Poliolefine Italia S.r.l. | Compositions de polyoléfine présentant une capacité d'adhérence améliorée |
BR112013005308B1 (pt) * | 2010-09-06 | 2020-02-04 | Basell Poliolefine Italia Srl | composições de poliolefina e filmes ou folhas mono ou multicamadas |
CN105330778B (zh) * | 2014-08-14 | 2018-02-02 | 中国石化扬子石油化工有限公司 | 一种用于薄膜热封层的聚丙烯树脂 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2234103C2 (de) * | 1972-07-12 | 1974-07-18 | Chemische Werke Huels Ag, 4370 Marl | Heiß verschweiß bares Polybuten-! |
NL190723C (nl) | 1975-06-12 | 1994-07-18 | Montedison Spa | Werkwijze voor het bereiden van Ziegler-katalysatoren voor de polymerisatie van alkenen. |
IT1078995B (it) | 1977-05-24 | 1985-05-08 | Montedison Spa | Catalizzatori per la polimeriazzazione di olefine |
ATE38044T1 (de) | 1984-08-30 | 1988-11-15 | Mitsui Petrochemical Ind | Buten-1-polymer und seine verwendung. |
FR2586022B1 (fr) | 1985-08-06 | 1987-11-13 | Bp Chimie Sa | Polymerisation d'olefines en phase gazeuse avec un catalyseur ziegler-natta et deux composes organometalliques |
US4916190A (en) * | 1987-05-15 | 1990-04-10 | Shell Oil Company | Film and sheet capable of forming retortable and easy-open packagings |
US4803251A (en) | 1987-11-04 | 1989-02-07 | Union Carbide Corporation | Method for reducing sheeting during polymerization of alpha-olefins |
IT1230134B (it) | 1989-04-28 | 1991-10-14 | Himont Inc | Componenti e catalizzatori per la polimerizzazione di olefine. |
IT1250731B (it) | 1991-07-31 | 1995-04-21 | Himont Inc | Procedimento per la preparazione di polietilene lineare a bassa densita' |
IT1262934B (it) | 1992-01-31 | 1996-07-22 | Montecatini Tecnologie Srl | Componenti e catalizzatori per la polimerizzazione di olefine |
IT1262935B (it) | 1992-01-31 | 1996-07-22 | Montecatini Tecnologie Srl | Componenti e catalizzatori per la polimerizzazione di olefine |
CA2103401C (fr) | 1992-11-19 | 2002-12-17 | Mamoru Takahashi | Composition a base de copolymere d'ethylene |
IT1269194B (it) | 1994-01-21 | 1997-03-21 | Spherilene Srl | Composizioni polimeriche ad elevata processabilita' basate su lldpe |
US5455303A (en) * | 1994-06-20 | 1995-10-03 | Montell North America Inc. | Linear low density polyethylene based compositions with improved optics |
JPH0859855A (ja) * | 1994-08-24 | 1996-03-05 | Tokuyama Corp | 二軸延伸ポリオレフィンフィルム |
US5889121A (en) * | 1995-10-06 | 1999-03-30 | Shell Oil Company | Method for improving processability of thermoplastics |
-
1999
- 1999-04-29 EP EP99924842A patent/EP0994920B1/fr not_active Expired - Lifetime
- 1999-04-29 AU AU41364/99A patent/AU4136499A/en not_active Abandoned
- 1999-04-29 JP JP55487299A patent/JP2002509577A/ja not_active Ceased
- 1999-04-29 CN CN99800700A patent/CN1268962A/zh active Pending
- 1999-04-29 CA CA002294237A patent/CA2294237A1/fr not_active Abandoned
- 1999-04-29 BR BR9906424-3A patent/BR9906424A/pt not_active Application Discontinuation
- 1999-04-29 DE DE69908730T patent/DE69908730T2/de not_active Expired - Fee Related
- 1999-04-29 US US09/446,211 patent/US6277918B1/en not_active Expired - Fee Related
- 1999-04-29 KR KR1020007000111A patent/KR20010021553A/ko not_active Application Discontinuation
- 1999-04-29 WO PCT/EP1999/002913 patent/WO1999057194A1/fr not_active Application Discontinuation
-
2000
- 2000-01-05 NO NO20000033A patent/NO20000033L/no not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9957194A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6277918B1 (en) | 2001-08-21 |
BR9906424A (pt) | 2000-07-11 |
DE69908730D1 (de) | 2003-07-17 |
AU4136499A (en) | 1999-11-23 |
NO20000033D0 (no) | 2000-01-05 |
CA2294237A1 (fr) | 1999-11-11 |
WO1999057194A1 (fr) | 1999-11-11 |
EP0994920B1 (fr) | 2003-06-11 |
CN1268962A (zh) | 2000-10-04 |
KR20010021553A (ko) | 2001-03-15 |
NO20000033L (no) | 2000-01-05 |
DE69908730T2 (de) | 2004-05-13 |
JP2002509577A (ja) | 2002-03-26 |
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